GetProspect vs Sendster: You're Comparing a Fishing Rod to a Frying Pan
These two tools don't compete. Not even a little. If you landed here expecting a head-to-head showdown, here's the short version: GetProspect finds B2B email addresses, and Sendster sends email campaigns from your own server. It's like asking whether a hammer or a sandwich is better.
30-Second Verdict
GetProspect is an email finder. Sendster is a self-hosted email marketing platform that pairs with Amazon SES to send newsletters cheaply. You don't pick one over the other - you might use both, or neither, depending on your workflow.
Skip GetProspect if accuracy matters to you. Independent tests put it at 61.9-65% verified match rates, meaning roughly a third of your lookups return nothing usable. We've found the accuracy gap gets even wider once you factor in catch-all domains, which most benchmarks don't account for properly.
What Each Tool Actually Does
GetProspect
GetProspect is a B2B email finder with a Chrome extension for prospecting. The company claims access to 18M contacts with business emails plus a broader database of 900M professional profiles sourced from public web data. Plans start at $49/mo for 1,000 valid emails, with a free tier offering 50 emails/month.
Accuracy is the weak spot. A PhantomBuster test of 1,000 contacts returned a 65% verified match rate. An Anymailfinder benchmark on 5,000 contacts came in at 61.9%. A February 2026 Dropcontact benchmark testing 15 tools across 20,000 contacts reinforces a bigger point: real-world enrichment rates are often much lower than what vendors claim in their marketing.
Users also report frustration with customer support response times.
Use this if: You need a basic email finder on a budget and can tolerate ~35% of lookups returning nothing usable.
Skip this if: You're running cold outreach at scale. A ~62% hit rate means you're burning credits and still need a second tool to fill gaps.
Sendster
Forget everything you know about email finders - Sendster isn't one. It's a self-hosted email marketing platform, closer to Sendy or Mailchimp than anything in GetProspect's category. You install it on your own server, connect Amazon SES, and send campaigns for pennies. Their pitch: 10,000 emails via SES for about $1.
Pricing is annual. The Elite plan runs $67/year for one site with 50,000 subscribers and 10 SMTPs. Pro is $97/year for unlimited subscribers across 5 sites, and Pro Extra hits $127/year for 30 sites.
Features include an AI email writer, SMTP spinning, autoresponders, and built-in list verification. Community chatter is thin - Sendster has a single G2 review (4.0/5) praising the interface and support. The self-hosted model appeals to teams who want full control over sending infrastructure, but you're on your own if something breaks.
Here's the thing: teams running cold outreach at scale should skip Sendster entirely. It doesn't have a contact database. It sends emails - it doesn't tell you who to send them to.
A 62% hit rate means you're paying for a third of your lookups to return nothing. Prospeo delivers 98% email accuracy across 300M+ profiles - refreshed every 7 days, not every 6 weeks. At ~$0.01/email, you spend less and actually reach the people you're prospecting.
Stop filling gaps with a second tool. Get it right the first time.
Side-by-Side Comparison
| Category | GetProspect | Sendster | Winner |
|---|---|---|---|
| Core function | Email finder | Email sender | Depends on need |
| Database size | 18M business emails | None | GetProspect |
| Email accuracy | ~61.9-65% tested | Not applicable (sender) | GetProspect by default |
| Pricing | From $49/mo | From $67/yr | Sendster (far cheaper) |
| Exports & workflow | CSV/XLSX export, CRM-style workflow | Amazon SES + Zapier/webhooks | GetProspect (more native) |
| Best for | Budget prospecting | Cheap bulk sending | - |
Putting these tools in the same table feels almost misleading. They occupy different categories entirely. The only scenario where both matter is if you're building a full outbound stack from scratch - one tool to find contacts, another to send campaigns.
Let's be honest: if your average deal size is under $5K, you probably don't need a dedicated email finder at all. Manually sourcing 50 contacts per week from company websites will outperform blasting 500 unverified emails from a budget tool with ~62% accuracy.
What You Actually Need
Three scenarios, three answers.
You need to find B2B emails. GetProspect does this, but at ~62% accuracy, you're wasting a third of your credits. Prospeo covers 300M+ professional profiles at 98% email accuracy with data refreshed every 7 days. The Chrome extension has 40,000+ users and works across any website or CRM. One of our customers, Meritt, saw bounce rates drop from 35% to under 4% after switching to properly verified data - tripling their pipeline from $100K to $300K per week.
You need to send campaigns cheaply. Sendster plus Amazon SES is hard to beat on cost. $67/year for the platform, plus SES rates. If you're comfortable with self-hosted software, it's a solid option for newsletters and drip sequences.
You need both. No single tool here does finding, verification, and sending well. Pair an accurate email finder with a sending platform - Sendster for budget self-hosted sending, or tools like Instantly or Smartlead if you want managed deliverability. Prospeo handles the data side with native integrations for all three; pick your sender based on budget and technical comfort. If you're building the data layer, start with data enrichment and a clean lead generation workflow.
FAQ
Can Sendster find B2B emails?
No. Sendster is a sending platform with zero contact database. You need a dedicated email finder to source verified contacts, then import those lists into Sendster for campaigns.
Can GetProspect send email campaigns?
GetProspect finds and verifies emails but doesn't send campaigns at scale. It has basic sequence features, but for real outbound you'll want a dedicated sending tool.
What's the best tool for cold outreach from scratch?
You need two things: an email finder for contact data and a sending platform for delivery. For the data side, prioritize accuracy over database size - 98% verified emails at ~$0.01/lead saves more money long-term than a cheaper tool with ~62% hit rates. For sending, pair with Sendster if budget is tight, or Instantly/Smartlead depending on volume and how much you want to manage yourself.
Building an outbound stack from scratch? The data layer matters most. Meritt tripled their pipeline to $300K/week after switching to Prospeo's verified emails - bounce rates dropped from 35% to under 4%. Pair Prospeo with Sendster, Instantly, or Smartlead and your sending tool actually has contacts worth sending to.
Find emails at 98% accuracy, then send them however you want.